CN215333448U - Intelligent control constant pressure reduction seal-free efficient self-sucking pump - Google Patents
Intelligent control constant pressure reduction seal-free efficient self-sucking pump Download PDFInfo
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- CN215333448U CN215333448U CN202121686865.XU CN202121686865U CN215333448U CN 215333448 U CN215333448 U CN 215333448U CN 202121686865 U CN202121686865 U CN 202121686865U CN 215333448 U CN215333448 U CN 215333448U
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- self
- pump body
- sucking pump
- constant pressure
- intelligent control
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- 230000009467 reduction Effects 0.000 title claims abstract description 14
- 238000007789 sealing Methods 0.000 claims abstract description 18
- 230000037452 priming Effects 0.000 claims description 10
- 230000006837 decompression Effects 0.000 claims 1
- 230000008859 change Effects 0.000 abstract description 4
- 238000000034 method Methods 0.000 description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 6
- 230000009471 action Effects 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- 239000008187 granular material Substances 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 239000002893 slag Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The utility model provides an intelligent control constant pressure reduction seal-free high-efficiency self-sucking pump which comprises a self-sucking pump body, wherein a high-position suction inlet is formed in one side surface of the self-sucking pump body, a main shaft is rotatably arranged in an inner cavity of the self-sucking pump body, which is close to the top of the self-sucking pump body, a sealing cover is arranged at the joint of the main shaft and the self-sucking pump body, and the intelligent control constant pressure reduction seal-free high-efficiency self-sucking pump also comprises an outer backflow pipe, which is arranged on one side surface of the high-position suction inlet and used for realizing backflow pressure release and balancing axial force; the electromagnetic valve is arranged on the outer return pipe and used for controlling the switch of the electromagnetic valve to realize the switching between the self-priming working condition and the normal working condition; the constant pressure reducing valve is arranged on the surface of one side of the sealing cover and is used for ensuring that the self-priming pump body can normally run under the condition of negative pressure; through the mutual switching control of the electromagnetic valve and the constant pressure reducing valve, the change of the sealing pressure of the impeller back opening ring cavity of the self-priming pump under different working states is changed, and then the smooth exhaust under the self-priming working condition and the normal pressure relief backflow function under the normal operation working condition are realized.
Description
Technical Field
The utility model relates to the technical field of self-sucking pumps, in particular to an intelligent control constant pressure reduction seal-free high-efficiency self-sucking pump.
Background
Slag water or power plant's rainwater pump of steel and iron works because the medium has the granule, and the liquid level constantly changes, and the current medium of carrying normally adopts general sealless self priming pump, but the self priming pump of this kind of structure, when moving, because pump chamber pressure and the axial force that produces, it eliminates to lean on big auxiliary impeller completely, so the efficiency of pump itself is extremely low, again because the particularity of medium, can not cancel auxiliary impeller, change mechanical seal or filler seal, cause the waste of further having increased the energy consumption again.
SUMMERY OF THE UTILITY MODEL
Aiming at the defects of the prior art, the utility model provides an intelligent control constant pressure reduction seal-free high-efficiency self-sucking pump.
The utility model solves the technical problems through the following technical means:
an intelligent control constant pressure reduction seal-free high-efficiency self-sucking pump comprises a self-sucking pump body, wherein a high-position suction inlet is formed in one side surface of the self-sucking pump body, a main shaft is arranged on the inner cavity, close to the top, of the self-sucking pump body in a rotating mode, a sealing cover is arranged at the joint of the main shaft and the self-sucking pump body, and the intelligent control constant pressure reduction seal-free high-efficiency self-sucking pump further comprises an outer backflow pipe which is installed on one side surface of the high-position suction inlet and used for achieving backflow pressure release and balancing axial force;
the electromagnetic valve is arranged on the outer return pipe and used for controlling the switch of the electromagnetic valve to realize the switching between the self-priming working condition and the normal working condition;
and the constant pressure reducing valve is arranged on one side surface of the sealing cover and used for ensuring that the self-priming pump body can normally run under the negative pressure condition.
Furthermore, an impeller is fixed at the tail end of the main shaft and adopts a front and rear opening ring structure.
Further, one end surface of the outer return pipe is fixed to one side surface of the sealing cover, and the other end surface of the outer return pipe is fixed to one side surface of the high suction port.
Furthermore, small auxiliary impellers are fixed on the outer surface of the main shaft close to the top of the sealing cover, and two groups of small auxiliary impellers are arranged.
Furthermore, the other side fixed surface of self priming pump body has the discharge port, the inner chamber of self priming pump body and the end surface that is close to the discharge port are provided with the pump body.
The utility model has the beneficial effects that: through the mutual switching control of the electromagnetic valve and the constant pressure reducing valve, the change of the sealing pressure of the impeller back port ring cavity of the self-priming pump under different working states is changed, the smooth exhaust under the self-priming working condition and the normal pressure relief backflow function under the normal operation working condition are realized, and meanwhile, the change of the operation principle of the water pump is realized through the connection of the electromagnetic valve on the outer backflow pipeline and the intelligent automatic control.
Drawings
Fig. 1 is a schematic structural view of an intelligent control constant pressure reduction seal-free high-efficiency self-priming pump.
In the figure: 1. a high suction inlet; 2. an electromagnetic valve; 3. an outer return pipe; 4. a sealing cover; 5. a small secondary impeller; 6. a main shaft; 7. an impeller; 8. a constant pressure reducing valve; 9. a pump body; 10. an outlet port; 11. self priming pump body.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present.
Examples
As shown in fig. 1, the intelligent control constant pressure reduction sealless high-efficiency self-priming pump of the present embodiment comprises a self-priming pump body 11, wherein the self-priming pump body 11 is composed of a high-level suction inlet 1, an electromagnetic valve 2, an outer return pipe 3, a sealing cover 4, a small auxiliary impeller 5, a main shaft 6, an impeller 7, a constant pressure reducing valve 8, a pump body 9, and a discharge port 10; the high-level suction inlet 1 is connected to the left side surface of the self-priming pump body 11 and used for entering of a medium, the outer return pipe 3 is connected to one side surface of the high-level suction inlet 1 and has the functions of realizing backflow pressure relief and balancing axial force, and the position of a connection point O can be any position from a point A to a point B or the whole C cavity; the electromagnetic valve 2 is arranged at the joint of the high-position suction inlet 1 and the outer return pipe 3 and used for controlling the switch of the electromagnetic valve to realize the switching between the self-priming working condition and the normal working condition; the sealing cover 4 is connected with the joint of the main shaft 6 and the self-priming pump body 11 and is used for forming a water flow ring to ensure that negative pressure and air leakage cannot be formed at the gap to influence the normal operation of the pump; the small auxiliary impeller 5 is fixed on the outer surface close to the top of the main shaft 6, the impeller 7 is fixed at the tail end of the main shaft 6, and the impeller 7 adopts a front-back mouth ring structure and is used for realizing axial force balance; the discharge port 10 is connected to the right side surface of the self-priming pump body 11 for delivering the pressure inside the pump chamber; the pump body 9 is connected to the inner cavity of the self-priming pump body 11 and the surface of one end close to the discharge port 10, and is used for energy recovery and pressure increase inside the pump cavity;
when the water pump operates in a self-priming exhaust working condition, the electromagnetic valve 2 is closed to meet the requirement of pump cavity exhaust, the self-priming working condition is realized, and when the water pump is converted into a normal operation working condition, the electromagnetic valve 2 is opened to reduce the pressure at the rear opening ring of the impeller, balance the axial force and form certain pressure relief, so that the pressure of the gap between the main shaft 6 and the sealing cover 4 is not too high or even negative, in order to ensure that the limit condition can also operate at negative pressure, a constant pressure reducing valve 8 connected with the sealing cover 4 is added between the main shaft 6 and the sealing cover 4, in order to ensure that a stable low-pressure water flow ring can be formed between the main shaft 6 and the sealing cover 4, and simultaneously, the negative pressure air leakage at the gap can not be formed to influence the normal operation of the pump, and meanwhile, the reverse low pressure generated by the constant pressure reducing valve 8 can be balanced only by a small auxiliary impeller 5; therefore, the power consumed by the large auxiliary impeller is eliminated, the power consumed by the small auxiliary impeller is reduced, the overall operation efficiency of the self-priming pump is improved, and meanwhile, the energy-saving operation is also realized.
It is noted that, in this document, relational terms such as first and second, and the like, if any, are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.
The above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.
Claims (5)
1. The utility model provides a permanent decompression of intelligence is sealed high-efficient self priming pump not, includes self priming pump body (11), a side surface of self priming pump body (11) is provided with high-order sunction inlet (1), inner chamber that self priming pump body (11) are close to the top rotates and is provided with main shaft (6), main shaft (6) are provided with sealed lid (4), its characterized in that with the junction of self priming pump body (11): the high-position suction inlet is characterized by also comprising an outer return pipe (3) which is arranged on one side surface of the high-position suction inlet (1) and used for realizing return pressure relief and balancing axial force;
the electromagnetic valve (2) is arranged on the outer return pipe (3) and used for controlling the switch of the electromagnetic valve (2) to realize the switching between the self-priming working condition and the normal working condition;
and the constant pressure reducing valve (8) is arranged on one side surface of the sealing cover (4) and used for ensuring that the self-sucking pump body (11) can normally run under the negative pressure condition.
2. The intelligent control constant pressure reduction seal-free high-efficiency self-sucking pump according to claim 1, characterized in that: an impeller (7) is fixed at the tail end of the main shaft (6), and the impeller (7) adopts a front and back opening ring structure.
3. The intelligent control constant pressure reduction seal-free high-efficiency self-sucking pump according to claim 1, characterized in that: one end surface of the outer return pipe (3) is fixed on one side surface of the sealing cover (4), and the other end surface of the outer return pipe (3) is fixed on one side surface of the high-position suction inlet (1).
4. The intelligent control constant pressure reduction seal-free high-efficiency self-sucking pump according to claim 1, characterized in that: the outer surface of the main shaft (6) close to the top of the sealing cover (4) is fixedly provided with small auxiliary impellers (5), and the small auxiliary impellers (5) are arranged in two groups.
5. The intelligent control constant pressure reduction seal-free high-efficiency self-sucking pump according to claim 1, characterized in that: the surface of the other side of the self-sucking pump body (11) is fixed with a discharge port (10), and a pump body (9) is arranged on the surface of one end, close to the discharge port (10), of the inner cavity of the self-sucking pump body (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121686865.XU CN215333448U (en) | 2021-07-23 | 2021-07-23 | Intelligent control constant pressure reduction seal-free efficient self-sucking pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121686865.XU CN215333448U (en) | 2021-07-23 | 2021-07-23 | Intelligent control constant pressure reduction seal-free efficient self-sucking pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215333448U true CN215333448U (en) | 2021-12-28 |
Family
ID=79569732
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121686865.XU Expired - Fee Related CN215333448U (en) | 2021-07-23 | 2021-07-23 | Intelligent control constant pressure reduction seal-free efficient self-sucking pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215333448U (en) |
-
2021
- 2021-07-23 CN CN202121686865.XU patent/CN215333448U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20211228 |